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Did you know?

The horizontal fraction bar was introduced by the Arabs.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Plate XLVII of Animalia Qvadrvpedia et Reptilia (Terra) by Joris Hoefnagel, circa 1575, showing a &q Plate XLVII of Animalia Qvadrvpedia et Reptilia (Terra) by Joris Hoefnagel, circa 1575, showing a &q
A spider from the genus Selenops, which have been found to be able to glide thro A spider from the genus Selenops, which have been found to be able to glide thro
Amino sugars are found in many polysaccharides Amino sugars are found in many polysaccharides
The hemes found in cytochromes The hemes found in cytochromes
Where’s the Saturated Fat in Your Foods? Saturated fat is found in animal products, tropical oils Where’s the Saturated Fat in Your Foods? Saturated fat is found in animal products, tropical oils
Video: Functional zones in a mitochondrion

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